blob: 2db01ece0cc18ae148db4a5f0a069eff3442644b (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# This test ensures directed broadcast routes use dst hint mechanism
source lib.sh
CLIENT_IP4="192.168.0.1"
SERVER_IP4="192.168.0.2"
BROADCAST_ADDRESS="192.168.0.255"
setup() {
setup_ns CLIENT_NS SERVER_NS
ip -net "${SERVER_NS}" link add link1 type veth peer name link0 netns "${CLIENT_NS}"
ip -net "${CLIENT_NS}" link set link0 up
ip -net "${CLIENT_NS}" addr add "${CLIENT_IP4}/24" dev link0
ip -net "${SERVER_NS}" link set link1 up
ip -net "${SERVER_NS}" addr add "${SERVER_IP4}/24" dev link1
ip netns exec "${CLIENT_NS}" ethtool -K link0 tcp-segmentation-offload off
ip netns exec "${SERVER_NS}" sh -c "echo 500000000 > /sys/class/net/link1/gro_flush_timeout"
ip netns exec "${SERVER_NS}" sh -c "echo 1 > /sys/class/net/link1/napi_defer_hard_irqs"
ip netns exec "${SERVER_NS}" ethtool -K link1 generic-receive-offload on
}
cleanup() {
ip -net "${SERVER_NS}" link del link1
cleanup_ns "${CLIENT_NS}" "${SERVER_NS}"
}
directed_bcast_hint_test()
{
local rc=0
echo "Testing for directed broadcast route hint"
orig_in_brd=$(ip netns exec "${SERVER_NS}" lnstat -j -i1 -c1 | jq '.in_brd')
ip netns exec "${CLIENT_NS}" mausezahn link0 -a own -b bcast -A "${CLIENT_IP4}" \
-B "${BROADCAST_ADDRESS}" -c1 -t tcp "sp=1-100,dp=1234,s=1,a=0" -p 5 -q
sleep 1
new_in_brd=$(ip netns exec "${SERVER_NS}" lnstat -j -i1 -c1 | jq '.in_brd')
res=$(echo "${new_in_brd} - ${orig_in_brd}" | bc)
if [ "${res}" -lt 100 ]; then
echo "[ OK ]"
rc="${ksft_pass}"
else
echo "[FAIL] expected in_brd to be under 100, got ${res}"
rc="${ksft_fail}"
fi
return "${rc}"
}
if [ ! -x "$(command -v mausezahn)" ]; then
echo "SKIP: Could not run test without mausezahn tool"
exit "${ksft_skip}"
fi
if [ ! -x "$(command -v jq)" ]; then
echo "SKIP: Could not run test without jq tool"
exit "${ksft_skip}"
fi
if [ ! -x "$(command -v bc)" ]; then
echo "SKIP: Could not run test without bc tool"
exit "${ksft_skip}"
fi
trap cleanup EXIT
setup
directed_bcast_hint_test
exit $?
|
